PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JAN2N598Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-781-1011 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-781-1011 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-781-1011. Primary manufacturer part number: JAN2N598.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Semiconductor Material: GERMANIUM
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC
  • Internal Configuration: JUNCTION CONTACT
  • Mounting Method: TERMINAL
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-781-1011, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-781-1011
Primary Part NumberJAN2N598
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialGERMANIUM
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Internal ConfigurationJUNCTION CONTACT
Mounting MethodTERMINAL
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Internal Junction ConfigurationPNP
Power Rating Per Characteristic250.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Specification/standard Data81349-MIL-S-19500/197 GOVERNMENT SPECIFICATION
Current Rating Per Characteristic0.5 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Length1.500 INCHES MINIMUM IN
Voltage Rating in Volts Per Characteristic-35.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -35.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND -30.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5961-00-883-7047 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
JAN2N598 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS19500-197 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-883-7047INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-781-1011?

NSN 5961-00-781-1011 is a Transistor, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-781-1011?

NSN 5961-00-781-1011 has 2 cross-referenced part numbers: JAN2N598 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILS19500-197 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-00-781-1011?

There is 1 known substitute for 5961-00-781-1011: 5961-00-883-7047. Verify interchangeability with system specifications before substitution.

What are the specifications of JAN2N598?

Key specifications for JAN2N598: Features Provided: HERMETICALLY SEALED CASE; Overall Length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Semiconductor Material: GERMANIUM; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-781-1011 still in active supply?

NSN 5961-00-781-1011 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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